Chord · 13ths

C13♯11 — C Dominant 13th ♯11

C13♯11 is the C dominant 13th ♯11 chord. It is built on the root C with major 3rd (E), perfect 5th (G), minor 7th (B♭), major 9th (D), augmented 11th (F♯) and major 13th (A) above it — the formula 1 3 5 ♭7 9 ♯11 13, sounding the notes C E G B♭ D F♯ A. On the piano it sits at C (octave 4) and above in the library's voicing; the same 7 notes in any octave are still C13♯11.

Root
C
Quality
Dominant 13th ♯11
Formula
1 3 5 ♭7 9 ♯11 13
Notes
C E G B♭ D F♯ A

On the keyboard

C13♯11 on the piano keyboard: C E G B♭ D F♯ ACEGB♭DF♯A

The notes of C13♯11

DegreeNoteInterval from the rootPitch
1CrootC4
3Emajor 3rdE4
5Gperfect 5thG4
♭7B♭minor 7thB♭4
9Dmajor 9thD5
♯11F♯augmented 11thF♯5
13Amajor 13thA5

Other 13ths on C

Dominant 13th ♯11 chords on every root

Part of the chord reference. See also the scales and the keys.